<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8"/>
    <title>My Page</title>
    <script src="https://code.jquery.com/jquery-3.4.1.min.js"></script>
</head>
<body>
<button>Button</button>
<script>
    $("button").click(function () {
        $.ajax({});
    });
</script>
</body>
</html>
